CN109421890A - Bicycle chain puller - Google Patents

Bicycle chain puller Download PDF

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Publication number
CN109421890A
CN109421890A CN201810954022.XA CN201810954022A CN109421890A CN 109421890 A CN109421890 A CN 109421890A CN 201810954022 A CN201810954022 A CN 201810954022A CN 109421890 A CN109421890 A CN 109421890A
Authority
CN
China
Prior art keywords
cable
bushing
chain
bicycle
movable member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810954022.XA
Other languages
Chinese (zh)
Other versions
CN109421890B (en
Inventor
陶山翔大
江村笃裕
中村谦太
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimano Inc
Original Assignee
Shimano Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shimano Inc filed Critical Shimano Inc
Priority to CN202010438881.0A priority Critical patent/CN111634364B/en
Priority to CN202010438825.7A priority patent/CN111634363B/en
Publication of CN109421890A publication Critical patent/CN109421890A/en
Application granted granted Critical
Publication of CN109421890B publication Critical patent/CN109421890B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/124Mechanisms for shifting laterally
    • B62M9/1242Mechanisms for shifting laterally characterised by the linkage mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/02Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/124Mechanisms for shifting laterally
    • B62M9/1244Mechanisms for shifting laterally limiting or positioning the movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/126Chain guides; Mounting thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121Rear derailleurs
    • B62M9/127Mounting or guiding of cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Flexible Shafts (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Tires In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

Bicycle chain puller is basically provided with base component, movable member, link structure and cable interactive structure.Link structure is configured to be movably coupled to movable member relative to base component.Cable interactive structure is arranged on link structure.Cable interactive structure includes chain blocking portion.Chain blocking portion is configured to prevent chain contact link structure.

Description

Bicycle chain puller
Technical field
Present invention relates in general to bicycle chain pullers.More particularly it relates to which one kind substantiallys prevent linking The bicycle chain puller of the interference of structure.
Background technique
Generally, bicycle is usually using bicycle drivetrain pedalling force is transmitted to rear-wheel.The power train of bicycle Usually using one or two derailleur so that bicycle chain is selectively moved to separately from a sprocket wheel in multiple sprocket wheels One sprocket wheel is to change the speed of bicycle.
Summary of the invention
Generally, this disclosure relates to the various features of bicycle chain puller.In a feature, a kind of bicycle group is provided Chain device, wherein substantiallying prevent the interference between link structure and chain or cable.
In view of the state of the known technology and according to the disclosure in a first aspect, bicycle chain puller is basically provided with base Seat component, movable member, link structure and cable interactive structure.The link structure is configured to make the movable member phase The base component is movably coupled to.The cable interactive structure is arranged on the link structure.The cable is handed over Mutual structure includes chain blocking portion.The chain blocking portion is configured to prevent chain from contacting with the link structure.
It, can be by preventing chain contact link structure to reduce chain using the bicycle chain puller according to first aspect A possibility that interfering between item and link structure increases the stability of derailleur.
According to the second aspect of the invention, it is configured so that the chain stops according to the bicycle chain puller of first aspect Cage structure at chain guide be located in correspond to it is minimum after sprocket wheel position at state in prevent the chain when scrunching Item is contacted with the link structure.
It, can be by preventing chain contact link structure to reduce chain using the bicycle chain puller according to second aspect A possibility that interfering between item and link structure increases the stability of derailleur.
According to the third aspect of the invention we, the cable is configured so that according to the bicycle chain puller of first or second aspect Line interactive structure includes cable attachment structure, and the cable attachment structure includes the cable fixed part for being configured to fixing cable.
Using the bicycle chain puller according to the third aspect, since to be fixed on the cable being arranged on link structure attached for cable On binding structure, therefore can more reliably it be acted on link structure via the pulling force of cable.
According to the fourth aspect of the invention, according to first, into the third aspect, the bicycle chain puller of either side is configured to So that the bicycle chain puller is bicycle derailleur.
It, can be by preventing chain contact link structure to reduce chain using the bicycle chain puller according to fourth aspect A possibility that interfering between item and link structure increases the stability of derailleur.
According to the fifth aspect of the invention, the cable interaction is configured so that according to the bicycle chain puller of fourth aspect Structure includes cable attachment structure, and the cable attachment structure includes cable fixed part and is configured to make the cable of cable bend to draw Lead portion.The cable fixed part is configured to fix the bending part of the cable.
Using the bicycle chain puller according to the 5th aspect, link can be interfered by reducing the free end of cable (interior lines) A possibility that structure, improves the stability of derailleur.
According to the sixth aspect of the invention, according to the 4th or the 5th aspect bicycle chain puller be configured to further comprise The first bushing by movable member support and the second bushing by movable member support.The link structure includes having to indulge To at least one linking axes of central axis.First bushing and second bushing be pivotally supported it is described at least one Linking axes.First bushing and second bushing are in the longitudinal center axis relative at least one linking axes It is aligned with each other on axial direction.
Using the bicycle chain puller according to the 6th aspect, the total weight of bicycle chain puller can reduce.
In view of the state of the known technology and according to the 7th aspect of the disclosure, bicycle derailleur is basically provided with Base component, movable member, link structure and cable interactive structure.The link structure is configured to make the movable member It is movably coupled to relative to the base component.The cable interactive structure is arranged on the link structure.The cable Interactive structure includes cable attachment structure, and the cable attachment structure includes cable fixing component and cable guide portion.The cable Line guide portion is configured to make cable bend, and the cable fixing component is configured at least fix the bending part of the cable.
Using the bicycle derailleur according to the 7th aspect, chain can be interfered by reducing the free end of cable (interior lines) A possibility that binding structure, improves the stability of derailleur.
According to the eighth aspect of the invention, it is configured so that the cable draws according to the bicycle derailleur of the 7th aspect The portion of leading includes cable guide recess portion.
Using the bicycle derailleur according to eighth aspect, the total weight of bicycle derailleur can reduce.
According to the ninth aspect of the invention, it is configured so that the cable draws according to the bicycle derailleur of the 7th aspect Leading portion includes the first bending cable guide wall and the second bending cable guide wall, in the first bending cable guide wall and institute It states and limits curved cable guide space between the second bending cable guide wall.
Using the bicycle derailleur according to the 9th aspect, the bending of cable can be precisely controlled.
According to the tenth aspect of the invention, it is configured so that the cable draws according to the bicycle derailleur of the 7th aspect The portion of leading includes the multiple cable guides protrusion for being arranged to limit curved cable guide space.
Using the bicycle derailleur according to the tenth aspect, the total weight of bicycle derailleur can reduce.
According to the eleventh aspect of the invention, the cable is configured so that according to the bicycle derailleur of the 7th aspect Guide portion includes glued portion.
Using the bicycle derailleur according to the tenth one side, a kind of easily fabricated rear chain shifter of bicycle is provided Device, while reducing the total weight of bicycle derailleur.
According to the twelfth aspect of the invention, according to the bicycle derailleur of either side in the 7th to the tenth one side It is configured so that the cable attachment structure further includes cable fixed plate and the cable attachment base including the cable guide portion. The cable fixing component is configured to engage the cable attachment base attached the cable fixed plate is fixed on the cable It connects on pedestal, so that the cable is arranged in the cable guide portion in the cable fixed plate and the cable attachment base Between.
Using the bicycle derailleur according to the 12nd aspect, can be interfered by reducing the free end of cable (interior lines) A possibility that link structure, improves the stability of derailleur.
In view of the state of the known technology and according to the 13rd aspect of the disclosure, bicycle derailleur is substantially arranged There are base component, movable member, link structure, the first bushing and the second bushing.The link structure makes the removable structure Part is movably coupled to relative to the base component.First bushing is supported by the movable member.Second lining Set is supported by the movable member.The link structure includes at least one linking axes with longitudinal center axis.It is described First bushing and second bushing are configured to be pivotally supported at least one described linking axes.First bushing and described Second bushing is aligned with each other on the axial direction of the longitudinal center axis relative at least one linking axes.
Using the bicycle derailleur according to the 13rd aspect, the total weight of bicycle derailleur can reduce.
According to the fourteenth aspect of the invention, it is configured so that described the according to the bicycle derailleur of the 13rd aspect One bushing is spaced apart on the axial direction with second bushing.
Using the bicycle derailleur according to fourteenth aspect, the total weight of bicycle derailleur can reduce.
According to the fifteenth aspect of the invention, it is configured to make according to the bicycle derailleur of the 13rd or fourteenth aspect Obtaining the movable member includes bushing receiving unit.The bushing receiving unit includes the first bushing reception space, first lining It is set in the first bushing reception space and the second bushing reception space, second lining is set on described second In bushing reception space.
Using the bicycle derailleur according to the 15th aspect, the precision (circularity) of reception space can be improved.
According to the sixteenth aspect of the invention, the lining is configured so that according to the bicycle derailleur of the 15th aspect Set receiving unit includes the first adjacency section for contacting first bushing and the second adjacency section for contacting second bushing.
Using the bicycle derailleur according to the 16th aspect, assembler can be easily positioned by the user the first bushing and the Two bushings, to improve packaging efficiency.
According to the seventeenth aspect of the invention, it is configured to make according to the bicycle derailleur of the 15th or the 16th aspect Obtaining the bushing receiving unit includes in being limited between the first bushing reception space and the second bushing reception space Between space.
Using the bicycle derailleur according to the 17th aspect, the total weight of bicycle derailleur can reduce.
According to the eighteenth aspect of the invention, according to the 15th aspect to the 17th aspect in either side bicycle after Derailleur is configured so that the link structure includes at least two linking axes fixed parts.The bushing receiving unit is located in described Between at least two linking axes fixed parts.
For the bicycle derailleur according to the 18th aspect, the precision (circularity) of reception space can be improved.
In view of the state of the known technology and according to the 19th aspect of the disclosure, bicycle chain puller is basically provided with Base component, movable member, link structure, chain guide and cable interactive structure.The link structure is configured to make institute Movable member is stated to be movably coupled to relative to the base component.The link structure includes at least one linkage members. The chain guide is arranged on the movable member.The cable interactive structure setting is at least one described link structure On part.The cable interactive structure includes chain blocking portion.The chain blocking portion includes that chain stops pedestal and from the chain Item stops the chain adjoining members of pedestal protrusion.The state of the cycle frame of bicycle is installed in the bicycle chain puller In, the chain adjoining members are located between the chain guide and the chain wheel assembly of the bicycle.
It, can be by preventing chain contact link structure to reduce using the bicycle chain puller according to the 19th aspect A possibility that interfering between chain and link structure increases the stability of derailleur.
According to a twentieth aspect of the invention, the chain is configured so that according to the bicycle chain puller of the 19th aspect Adjoining members be configured to the bicycle chain puller be installed to the cycle frame of the bicycle and it is described voluntarily Extend in the state that vehicle travels on the ground along the direction towards ground.
It, can be by preventing chain contact link structure to reduce using the bicycle chain puller according to the 20th aspect A possibility that interfering between chain and link structure increases the stability of derailleur.
In addition, from several embodiments that bicycle chain puller is disclosed in conjunction with attached drawing it is described in detail below in, it is disclosed Other purposes, the features, aspects and advantages of bicycle chain puller those skilled in the art will become obvious.
Detailed description of the invention
Referring now to the attached drawing for forming the original disclosed a part:
Fig. 1 is the rear portion of the cycle frame equipped with rear sprocket assembly and according to the rear chiain-moving device of an illustrated embodiment Side elevation view, wherein rear chiain-moving device is in low-grade location;
Fig. 2 is the side elevation view of the bicycle derailleur of Fig. 1, and wherein rear chiain-moving device is in high tap position;
Fig. 3 is the side elevation view of the bicycle derailleur of Fig. 1, and wherein rear chiain-moving device is in low-grade location;
Fig. 4 is the rear elevation view of the bicycle derailleur of Fig. 3 in low-grade location;
Fig. 5 is the amplification rear elevation view of the bicycle derailleur of Fig. 4;
Fig. 6 is the perspective view of the bicycle derailleur of Fig. 1 in low-grade location;
Fig. 7 is the first linkage members and cable interactive structure of the link structure of the bicycle derailleur of Fig. 1 to Fig. 6 Perspective view;
Fig. 8 is the first linkage members of Fig. 7 and the decomposition assembling figure of cable interactive structure;
Fig. 9 is the perspective view of the first linkage members of Fig. 7;
Figure 10 be for the sake of clarity from cycle frame remove after Fig. 1 bicycle derailleur side elevational Figure.
Figure 11 is the top plan view of the bicycle derailleur of Figure 10;
Figure 12 is the exploded perspective view of the bicycle derailleur of Figure 10 and Figure 11;
Figure 13 is the elevation of the section form of the linking axes of the movable member of Figure 11;
Figure 14 is the decomposition assembling figure according to the link structure of the bicycle derailleur of another illustrated embodiment;With
Figure 15 is the decomposition assembling figure according to the link structure of the bicycle derailleur of another illustrated embodiment.
Specific embodiment
Selected embodiment is explained now with reference to attached drawing.According to the disclosure, for the technical staff of bicycle art It is merely to illustrate it is evident that providing being described below for exemplary embodiment, the mesh being not intended to be limiting of the invention , the present invention is limited by appended claims and its equivalent way.
Although being described below referring to bicycle derailleur, exemplary embodiment of the present invention be may be equally applied to certainly Driving front chain mover.
With reference first to Fig. 1 to Fig. 6, bicycle chain puller is mounted to oneself of a part of the cycle frame 12 of bicycle Driving rear chiain-moving device 10.Bicycle chain 14 in a usual manner selectively with the rear sprocket wheel 16 of at least one of rear sprocket assembly Engagement.In an illustrated embodiment, rear sprocket assembly preferably includes multiple rear sprocket wheels 16.Bicycle chain 14 is in a usual manner One in rear sprocket wheel 16 is extended to from preceding sprocket wheel (not shown) along chain rotation direction D.Bicycle chain 14 is shown as distinguishing Roller chain with alternate on chain rotation direction D multiple inner links and outer link.Bicycle chain 14 is configured to before Engage to the tooth engagement of sprocket wheel and rear sprocket wheel 16.
Rear chiain-moving device 10 is configured to make the gear shift between multiple rear sprocket wheels 16 of rear sprocket assembly of bicycle chain 14.Chain afterwards Wheel 16 is mounted in a usual manner on the sprocket support member (not shown) of bicycle rear (not shown), and driving torque is selected Selecting property it is transmitted to the bicycle rear-hub ontology of bicycle rear (not shown).Afterwards the center of rotation axis of sprocket wheel 16 with voluntarily The center of rotation axis A of vehicle rear drum ontology is coaxially arranged.Sprocket wheel 16 is a part of conventional rear sprocket assembly afterwards, therefore, this Text will not be discussed in further detail rear sprocket wheel.
Rear chiain-moving device 10 is discussed referring now to Fig. 1 to 13.Rear chiain-moving device 10 in a usual manner can via control cable 20 It is operably coupled to gearshift operating device 18.Control bowden-type cable (the Bowden type that cable 20 is preferably conventional Cable), with protectiveness outer housing 20A and interior lines 20B.Bicycle derailleur 10 includes base component 22, removable structure Part 24 and link structure 26.As shown in Figure 1, bicycle derailleur 10 further includes that the chain being arranged on movable member 24 draws Guiding element 28.If Fig. 4 and Figure 10 to Figure 12 is best seen from link structure includes at least one linkage members.Preferably, link structure 26 include first or internal chaining component 30 and second or outer linkage members 32.Movable member 24, link structure 26 and chain draw Guiding element 28 is configured to pivot relative to base component 22, so that bicycle chain 14 changes between the rear sprocket wheel 16 of rear sprocket assembly Shelves.
Base component 22 is configured for mount to cycle frame 12.Specifically, base component 22 is configured to releasedly pacify It is attached to cycle frame 12.Base component 22 is made of the suitable material of such as metal material or fiber reinforced plastic materials Rigid member.Base component 22 includes bracket axle portion 22A and outer housing support portion 22B.Bracket axle portion 22A is via installation bolt peace It is attached to the suspended portion of cycle frame 12.One end of the outer housing 20A of outer housing support portion 22B support and control cable 20.It is excellent Selection of land, base component 22 are formed integrally as single one-piece integral member.
As shown in Figures 1 to 12, link structure 26 is configured to keep movable member 24 removable relative to base component 22 Ground connection.The first part 30A of first linkage members 30 of link structure 26 is by limiting the first the first chain for linking axis L1 Spindle 34 is pivotably attached to movable member 24.The second part 30B of first linkage members 30 is by limiting the second link The second linking axes 36 of axis L2 is pivotably attached to base component 22.In other words, as shown in figure 11, the first linkage members 30 are pivotably connected to movable member 24 around the first link axis L1, and are pivotably connected to around the second link axis L2 Base component 22.Second link axis L2 is basically parallel to the first link axis L1.Second linkage members 32 of link structure 26 First part 32A movable member 24 is pivotably attached to by third linking axes 38.The second of second linkage members 32 Part 32B is pivotably attached to base component 22 by the 4th linking axes 40.In other words, as shown in figure 11, the second link Component 32 is pivotably connected to movable member 24 around third link axis L3, and pivotly connects around the 4th link axis L4 It is connected to base component 22.Therefore, base component 22,32 shape of movable member 24, the first linkage members 30 and the second linkage members At four-bar mechanism, which is arranged to make chain guide 28 in multiple gears (for example, first in a usual manner Set and the second position) between transverse shifting.
As shown in Figures 12 and 13, the first bushing 42A is supported by movable member 24, and the second bushing 42B is by movable member 24 supports.Movable member 24 includes bushing receiving unit.Bushing receiving unit includes first be disposed therein for the first bushing 42A Bushing reception space 44A and the second bushing reception space 44B being disposed therein for the second bushing 42B.Bushing receiving unit includes The the first adjacency section 44C contacted with the first bushing 42A and the second adjacency section 44D contacted with the second bushing 42B.First adjacency section 44C and the second adjacency section 44D is convenient for correctly positioning the first bushing 42A and the second bushing 42B during assembly.Bushing receiving unit Including the intermediate space 44E being limited between the first bushing reception space 44A and the second bushing reception space 44B.
Link structure 26 includes at least one linking axes with longitudinal center axis, such as with the first link axis L1 The first linking axes 34.First bushing 42A and the second bushing 42B are configured to be pivotally supported at least one linking axes, such as First linking axes 34.In other words, the first bushing 42A and the second bushing 42B are pivotally supported at least one linking axes, such as First linking axes 34.As shown in figure 13, the first bushing 42A and the second bushing 42B is relative at least one linking axes (the first chain Spindle 34) longitudinal center axis (first link axis L1) axial direction on it is aligned with each other.
As shown in figure 13, the first bushing 42A is spaced apart in the axial direction with the second bushing 42B, intermediate space 44E setting Between them.Preferably, intermediate space 44E does not have the bushing being disposed therein.First adjacency section 44C and the second adjacency section 44D is preferably limited by the shoulder to extend internally so that the diameter of intermediate space 44E less than the first bushing reception space 44A and The diameter of second bushing reception space 44B.
Link structure 26 includes at least two linking axes fixed parts.As shown in figure 12, the first link structure of link structure 26 Part 30 includes at least two linking axes fixed part 30C.Bushing receiving unit is located between at least two linking axes fixed part 30C. This constitution realization good circularity of the insertion opening of bushing, this reduce between bushing and the peripheral surface of insertion opening Gap.
As shown in Figures 12 and 13, the first bushing 42A' is supported by movable member 24, and the second bushing 42B' is by moving structure Part 24 supports.Movable member 24 includes bushing receiving unit.Bushing receiving unit includes being disposed therein for the first bushing 42A' The second bushing reception space 44B' therein is arranged in first bushing reception space 44A' and the second bushing 42B' of confession.Bushing receiving unit Including the first adjacency section 44C' contacted with the first bushing 42A' and the second adjacency section 44D' contacted with the second bushing 42B'.The One adjacency section 44C ' and the second adjacency section 44D ' is convenient for correctly positioning the first bushing 42A' and the second bushing during assembly 42B'.Bushing receiving unit includes the centre being limited between the first bushing reception space 44A' and the second bushing reception space 44B' Space 44E'.
Link structure 26 includes at least one linking axes with longitudinal center axis, such as links axis L3 with third Third linking axes 38.First bushing 42A' and the second bushing 42B' is configured to be pivotally supported at least one linking axes, all Such as third linking axes 38.In other words, the first bushing 42A' and the second bushing 42B' are pivotally supported at least one linking axes, Such as the first linking axes 34.As shown in figure 13, the first bushing 42A' and the second bushing 42B' are relative at least one linking axes It is aligned with each other on the axial direction of the longitudinal center axis (third links axis L3) of (third linking axes 38).
As shown in figure 13, the first bushing 42A' is spaced apart in the axial direction with the second bushing 42B', intermediate space 44E' It is disposed there between.Preferably, intermediate space 44E' does not have the bushing being disposed therein.First adjacency section 44C ' and second Adjacency section 44D ' is preferably limited by the shoulder to extend internally, so that the diameter of intermediate space 44E' receives sky less than the first bushing Between 44A' and the second bushing reception space 44B' diameter.
Link structure 26 includes at least two linking axes fixed parts.As shown in figure 12, the second link structure of link structure 26 Part 32 includes at least two linking axes fixed part 32C.Bushing receiving unit is located between at least two linking axes fixed part 32C. This constitution realization good circularity of the insertion opening of bushing, this reduce between bushing and the peripheral surface of insertion opening Gap.
Bearing arrangement for linking axes 36 and 40 is conventional, therefore for simplicity, its description is omitted. However, the bearing arrangement of linking axes 36 and 40 can with the bearing arrangement of the first linking axes 34 and third linking axes 38 similarly structure It makes.Furthermore it is possible to omit any of the first linking axes 34 or bearing arrangement of third linking axes 38.
As shown in Figures 1 to 12, bicycle chain puller 10 further includes the cable interactive structure being arranged on link structure 26 46.Preferably, bicycle chain puller 10 includes the cable interactive structure 46 being arranged at least one linkage members.Cable interaction Structure 46 includes chain blocking portion 48.Chain blocking portion 48 includes that chain stops pedestal 48A and stops pedestal 48A protrusion from chain Chain adjoining members 48B.In the state of cycle frame 12 that bicycle chain puller 10 is installed to bicycle, chain is adjacent Component 48B is located between chain guide 28 and the chain wheel assembly of bicycle.As shown in figs. 1 and 3, chain adjoining members 48B It is configured in the state that bicycle chain puller 10 is installed to the cycle frame 12 of bicycle and bicycle travels on the ground In upwardly extended towards the side on ground.Preferably, chain blocking portion 48 and the first linkage members 30 are formed integrally as single-piece Formula component.
Chain blocking portion 48 is configured to prevent chain 14 from contacting link structure 26.In other words, as shown in fig. 6, chain hinders Stopper 48 is configured to be located in the state corresponded to after minimum at the position of sprocket wheel 16S in chain guide 28 and prevents from scrunching When chain contacted with link structure 26.In the construction of no chain blocking portion, when chain guide starts to move it in chain When the preceding gear being moved to from the gear for corresponding to relatively small rear sprocket wheel corresponding to relatively large rear sprocket wheel, chain contact The downside of internal chaining component.Such gear shift will lead to chain and block with internal chaining component, so that between chain and rear sprocket wheel Engagement is incomplete, and chain cannot restore from such case.There is the rear chiain-moving device 10 of chain blocking portion 48 by providing, As shown in fig. 6, chain 14 contacts chain blocking portion 48 and prevents its court as in the construction of no chain blocking portion It is mobile to the first linkage members 30.Chain blocking portion 48 is also possible to the head of pin component and interior lines fixing bolt.
As shown in Fig. 5 and Fig. 7, cable interactive structure 46 further includes cable attachment structure 50, and cable attachment structure 50 includes structure Cause the cable fixed part 52 of fixing cable 20.As shown in FIG. 8 and 9, cable attachment structure 50 further includes cable guide portion 54, It is configured to be bent cable 20, so that cable fixed part is configured to the bending part of fixing cable.In other words, cable interaction knot Structure 46 includes cable attachment structure 50, and cable attachment structure 50 includes cable fixing component 52B and cable guide portion 54.Cable draws Portion 54 is led to be configured to be bent cable 20.Cable fixing component 52B is configured to the bending part of at least fixing cable 20.By making Cable 20 is bent, and as shown in Figures 4 and 5, substantiallys prevent the interference between the end of cable 20 and link structure 26.
As shown in FIG. 8 and 9, the cable guide portion 54 of cable attachment structure 50 includes cable guide recess portion 54A, is configured to Receive and guide the interior lines 20B of cable 20.The recess portion 54A of cable guide portion 54 includes the first bending cable guide wall 54B and the Two bending cable guide wall 54C, to be limited between the first bending cable guide wall 54B and the second bending cable guide wall 54C Curved cable guide space.As shown in figure 8, in the cable inlet portion 54D and cable exit portion 54E of cable guide recess portion 54A Between form angle [alpha].Preferably, angle [alpha] is about 140 degree.
As shown in FIG. 7 and 8, the cable fixed part 52 of cable attachment structure 50 includes that cable fixed plate 52A and cable are fixed Component 52B.As shown in figure 8, cable attachment structure 50 includes cable attachment base 50A comprising cable guide portion 54.Cable is solid Determine component 52B to be configured to engage with cable attachment base 50A, cable fixed plate 52A is fixed on cable attachment base 50A On so that cable 20 (Fig. 1 and 5) be arranged in cable guide portion 54 cable fixed plate 52A and cable attachment base 50A it Between.As shown in figure 8, cable fixing component 52B is preferably by the received spiral shell of threaded openings 50B in cable attachment base 50A Line fastener.Cable fixed plate 52A has the opening 52C being aligned with the threaded openings 50B in cable attachment base 50A, so as to In reception cable fixing component 52B.Preferably, as shown in fig. 7, cable fixed plate 52A is from cable inlet portion 54D to cable exit Portion 54E covers substantially the whole region of cable guide recess portion 54A.
As best seen in fig. 4 to fig. 6, link structure 26 further includes biasing member 56, is inserted in the first linkage members 30 and second between linkage members 32, by movable member 24 towards in high tap position (Fig. 2) and low-grade location (Fig. 1,3,4 and 6) One biasing.Biasing member 56 is preferably the spiral stretching spring for biasing movable member 24 towards high tap position.Such as this Used in text, term " high (gear) gear " refers to rear chiain-moving device 10 after being directed into corresponding to bicycle chain 14 After one that there is minimum number of teeth and be located at the central longitudinal plane farthest apart from cycle frame in sprocket wheel 16S on sprocket wheel Operating position.As it is used herein, term " low (gear) gear ", which refers to that rear chiain-moving device 10 is in, corresponds to bicycle It is nearest that chain 14 is directed into the central longitudinal plane for having the maximum number of teeth and being located at apart from cycle frame in rear sprocket wheel 16S Operating position after one of place on sprocket wheel.Interior lines 20B can be operated by gearshift operating device 18, via gearshift operating device 18 operation moves chain guide 28 between high tap position and low-grade location.
Movable member 24 is moveably coupled to base component 22.Movable member 24 is removable by link structure 26 Ground is connected to base component 22.Chain guide 28 is pivotally mounted to movable member 24, so that chain guide 28 can To be pivoted around rotation axis R.Movable member 24 is by the suitable material system of such as metal material or fiber reinforced plastic materials At rigid member.
Chain guide 28 utilizes such as torsionspring being inserted between chain guide 28 and movable member 24 (not Show) biasing member be pivotally mounted to movable member 24 around rotation axis R in a usual manner.In this way, chain Guiding piece 28 is pivoted relative to movable member 24.Chain guide 28 and movable member 24 cooperate in rear chiain-moving device 10 Tensioning is generated in bicycle chain 14 when being parallel to sprocket wheel axis A movement during shift operation.Chain guide 28 is basic It is upper including first or outer chain holding plate 58, second or interior chain holding plate 60, first or guide pulley 62 and second or to be tensioned Pulley 64.Chain holding plate 58 and 60 defines the chain receiving slit for receiving bicycle chain 14.First pulley 62 and Two pulleys 64 can be rotatably set between chain holding plate 58 and 60.First pulley 62 has the first rotating pulley axis P1.Second pulley 64 has the second rotating pulley axis P2.Rotation axis R be arranged essentially parallel to the first rotating pulley axis P1 and Second rotating pulley axis P2.
As shown in Fig. 1 to 4,6 and 10 to 12, resistance applies structure 66 and is attached to movable member 24, during riding Basically prevent the expectation chain tension that chain bounces and keeps bicycle chain 14.Specifically, resistance applies structure 66 and is arranged At making when chain guide 28 is along predetermined direction rotation, the resistance of motion in a predetermined direction of chain guide 28 increases. In the shown embodiment, chain guide 28 is around rotation axis R corresponding to the first direction of rotation D1's (as illustrated in fig. 1 and 2) Predetermined party is pivoted up.When from the not face frame sides from rear chiain-moving device, the first direction of rotation D1 corresponds to around rotation The counter clockwise direction of axis R.Chain guide 28 is biased along the second direction of rotation D2 around rotation axis R.Second rotation Direction D2 is opposite relative to rotation axis R with the first direction of rotation D1.
Resistance applies structure 66 and preferably includes one-way clutch (not shown) and friction application element (not shown).Unidirectionally Rotary motion of the clutch to chain guide 28 along predetermined direction applies resistance.Friction applies element and passes through to one-way clutch Rotation apply frictional resistance and to the rotary motion of chain guide 28 apply frictional resistance.Substantially, resistance applies structure 66 only apply the rotation of chain guide 28 via one-way clutch when D1 is pivoted chain guide 28 along the first direction of rotation Add frictional resistance.When chain guide is pivoted along the second direction of rotation, one-way clutch and resistance apply structure 66 and disconnect.Such as Shown in Figure 10 and 11, protection cap 66A applies structure mounting flange 24A by the resistance that fastener 66B is installed to movable member, To protect resistance to apply the component of structure.
As shown in Fig. 1,4,5,10 and 11, it includes friction switch lever 66C and adjusting screw 66D that resistance, which applies structure 66,.It is excellent Selection of land, it is adjustable for applying the frictional resistance (that is, rotational resistance) that structure 66 applies by resistance.Pass through actuating friction switch lever 66C and/or adjusting adjust screw 66D, and user is adjustable to be applied to rubbing for chain guide 28 by resistance application structure 66 Wipe the degree of resistance.Substantially, friction switch lever 66C be used as ON/OFF switch, and adjust screw 66D offer frictional resistance etc. The fine tuning of grade.Friction switch lever 66C is applied to the first position (position ON) and substantially of chain guide 28 in frictional resistance Zero frictional resistance is applied between the second position (OFF position) of chain guide 28 and moves.
As shown in figure 14, in addition to it is described below it is different other than, the exemplary implementation according to the present invention shown in another The link structure of the bicycle derailleur of example is substantially similar to the chain binding of exemplary embodiment shown in Fig. 1 to Figure 13 Structure.Other than increasing by 100 (that is, being correspondingly 1xx), similar component is identified with similar appended drawing reference.
As shown in figure 14, cable guide portion 154 includes the multiple cables for being arranged to limit curved cable guide space 154C Line guide hump 154A and 154B.Curved cable guide space 154C be limited to the first arrangement cable guide protrusion 154A and Between the cable guide protrusion 154B of second arrangement.The cable guide of the arrangement of cable guide protrusion 154A and second of first arrangement Raised 154B continuously extends to cable exit portion 154E from cable inlet portion 154D, to limit curved cable guide space 154C.The cable guide protrusion 154B of the arrangement of cable guide protrusion 154A and second of first arrangement can have convenient for therebetween Receive any suitable shape of interior lines 20B.Cable fixing component 152B is configured to engage with cable attachment base 150A, will Cable fixed plate 152A is fixed on cable attachment base 150A, so that cable (Fig. 1 and 5) is arranged in cable guide portion 154 Between cable fixed plate 152A and cable attachment base 150A, as described above.
As shown in figure 15, in addition to it is described below it is different other than, the exemplary implementation according to the present invention shown in another The link structure of the bicycle derailleur of example is substantially similar to the chain binding of exemplary embodiment shown in Fig. 1 to Figure 13 Structure.Other than increasing by 200 (that is, being correspondingly 2xx), similar component is identified with similar appended drawing reference.
As above with reference to the description of the first exemplary embodiment, cable guide portion 254 includes recess portion 254A.Such as Figure 15 Shown, cable guide portion 254 includes glued portion 254B.Glued portion 254B is preferably provided in the recessed of cable guide portion 254 In portion 254A.Glued portion, which can be, basically prevents cable 20 (Fig. 1) any suitable material mobile relative to recess portion 254A Material, such as adhesive.Cable fixing component 252B is configured to engage with cable attachment base 250A, by cable fixed plate 252A It is fixed on cable attachment base 250A, so that cable (Fig. 1 and 5) is arranged in cable guide portion 254 in cable fixed plate Between 252A and cable attachment base 250A, as described above.
When understanding the scope of the present invention, as used herein term " includes " and its derivative are intended to open art Language, specifies the presence of the feature, component, assembly unit, group, entirety and/or step, but is not excluded for other spies not stated The presence of sign, component, assembly unit, group, entirety and/or step.Foregoing teachings are also applied for the word with similar meaning, such as art Language "comprising", " having " and its derivative.Moreover, unless otherwise indicated, term " portion ", " section ", " part ", " component " or " element " can have the double meaning of single part or multiple portions when using with odd number.
As it is used herein, following direction term " towards frame sides ", " not face frame sides ", " forward ", " backward ", "front", "rear", "upper", "lower", " more than ", " following " " upward ", " downward ", "top", "bottom", " side ", "vertical", "horizontal", " vertical ", " transverse direction " and any other like directional terminology are referred in upright ride position and equipped with voluntarily Those of the bicycle of vehicle rear chiain-moving device direction.It therefore, should for describing these directional terminologies of bicycle derailleur It is explained relative to being in upright ride position on a horizontal surface and being equipped with the bicycle of bicycle derailleur.Term " right side " when " left side " and " right side " being used to indicate from the rear from bicycle from right side reference, and when from bicycle after " left side " when side's observation from left side reference.
In addition, it will also be understood that, although term " first " and " second " can be used to describe herein various portions Part, but these components should not be limited by these terms.These terms are only used to distinguish a component with another component. Thus, for example, the first component discussed above can be referred to as second component without departing from the teachings of the present invention, Vice versa.Terms used herein " attached " or " attachment " include will be first and element is attached directly to another element Part is affixed directly to the construction of another element;Intermediary element is then attached to another by the way that element is attached to intermediary element Element and the construction that the element is indirectly fixed to another element;And an element and another element are integrated structures It makes, i.e. a part that an element is substantially another element.This definition is also applied to the word of similar meaning, such as " even Knot ", " connection ", " connection ", " installation ", " in conjunction with ", " fixation " and its derivative.Finally, it is as used herein such as " substantially ", " about " and the degree term of " approximation " means the departure that final result will not be significantly changed of modified term.
Although selected embodiment has only been selected to illustrate the present invention, according to the disclosure, for art technology Personnel are evident that, in the case where not departing from the scope of the present invention being defined by the following claims, can carry out Various changes and modification.For example, unless otherwise expressly specified, otherwise the size of various parts, shape, position or orientation can roots Change according to needing and/or it is expected, as long as these changes will not substantially influence its expected function.Unless otherwise specifically Bright, being otherwise shown as component directly connected or contacting each other can have the intermediate structure being disposed there between, as long as this A little variations will not substantially influence their expectation function.The function of one element can be executed by two elements, and vice versa, Unless otherwise expressly specified.The structure and function of one embodiment can use in another embodiment.All advantages are not required to To occur simultaneously in a particular embodiment.It is unique to each feature of the prior art, is combined individually or with other feature, also answers It is considered as separate description of further inventions by applicant, it is structural and/or functional including being embodied by this feature Concept.Therefore it provides the foregoing description of an exemplary embodiment of the present invention is merely to illustrate, rather than in order to limit this hair Bright purpose, the present invention are limited by appended claims and its equivalent way.

Claims (20)

1. a kind of bicycle chain puller, comprising:
Base component;
Movable member;
Link structure, the link structure are configured to connect the movable member movably relative to the base component It connects;With
Cable interactive structure, the cable interactive structure are arranged on the link structure, and the cable interactive structure includes chain Blocking portion, the chain blocking portion are configured to prevent chain from contacting with the link structure.
2. bicycle chain puller component according to claim 1, wherein
The chain blocking portion, which is configured to be located in the state corresponded to after minimum at the position of sprocket wheel in chain guide, to be prevented Only when scrunching, the chain is contacted with the link structure.
3. bicycle chain puller according to claim 1, wherein
The cable interactive structure includes cable attachment structure, and the cable attachment structure includes the cable for being configured to fixing cable Fixed part.
4. bicycle chain puller according to claim 1, wherein
The bicycle chain puller is bicycle derailleur.
5. bicycle chain puller according to claim 4, wherein
The cable interactive structure includes cable attachment structure, and the cable attachment structure includes cable fixed part and is configured to make The cable guide portion of cable bend, the cable fixed part are configured to fix the bending part of the cable.
6. bicycle chain puller according to claim 4, further includes:
First bushing, first bushing are supported by the movable member;With
Second bushing, second bushing are supported by the movable member,
The link structure includes at least one linking axes with longitudinal center axis, first bushing and second lining Set be pivotally supported at least one described linking axes, first bushing and second bushing relative to it is described at least It is aligned with each other on the axial direction of the longitudinal center axis of one linking axes.
7. a kind of bicycle derailleur, comprising:
Base component;
Movable member;
Link structure, the link structure are configured to connect the movable member movably relative to the base component It connects;With
Cable interactive structure, the cable interactive structure are arranged on the link structure, and the cable interactive structure includes cable Line attachment structure, the cable attachment structure include cable fixing component and cable guide portion, and the cable guide portion is configured to Make cable bend, the cable fixing component is configured at least fix the bending part of the cable.
8. bicycle derailleur according to claim 7, wherein
The cable guide portion includes cable guide recess portion.
9. bicycle derailleur according to claim 7, wherein
The cable guide portion includes the first bending cable guide wall and the second bending cable guide wall, in first bending Curved cable guide space is limited between cable guide wall and the second bending cable guide wall.
10. bicycle derailleur according to claim 7, wherein
The cable guide portion includes the multiple cable guides protrusion for being arranged to limit curved cable guide space.
11. bicycle derailleur according to claim 7, wherein
The cable guide portion includes glued portion.
12. bicycle derailleur according to claim 7, wherein
The cable attachment structure further includes cable fixed plate and the cable attachment base including the cable guide portion, and
The cable fixing component is configured to engage the cable attachment base so that the cable fixed plate is fixed on the cable In line attachment base, so that the cable is arranged in the cable fixed plate and cable attachment in the cable guide portion Between pedestal.
13. a kind of bicycle derailleur, comprising:
Base component;
Movable member;
Link structure, the link structure are movably coupled to the movable member relative to the base component;
First bushing, first bushing are supported by the movable member;With
Second bushing, second bushing are supported by the movable member, and the link structure includes having vertical central axis At least one linking axes of line, first bushing and second bushing are configured to be pivotally supported at least one described chain The axial direction of spindle, first bushing and second bushing in the longitudinal center axis relative at least one linking axes It is aligned with each other on direction.
14. bicycle derailleur according to claim 13, wherein
First bushing is spaced apart on the axial direction with second bushing.
15. bicycle derailleur according to claim 13, wherein
The movable member includes bushing receiving unit, and the bushing receiving unit includes the first bushing reception space and the second bushing Reception space, first lining are set in the first bushing reception space, and second lining is set on described second In bushing reception space.
16. bicycle derailleur according to claim 15, wherein
The bushing receiving unit includes the second neighbour for contacting the first adjacency section of first bushing and contacting second bushing Socket part.
17. bicycle derailleur according to claim 15, wherein
The bushing receiving unit includes being limited between the first bushing reception space and the second bushing reception space Intermediate space.
18. bicycle derailleur according to claim 15, wherein
The link structure includes at least two linking axes fixed parts, and the bushing receiving unit is located at least two link Between axis fixed part.
19. a kind of bicycle chain puller, comprising:
Base component;
Movable member;
Link structure, the link structure are configured to connect the movable member movably relative to the base component It connects, the link structure includes at least one linkage members;
Chain guide, the chain guide are arranged on the movable member;With
Cable interactive structure, the cable interactive structure are arranged at least one described linkage members, the cable interaction knot Structure includes chain blocking portion, and the chain blocking portion includes the chain that chain stops pedestal and stops pedestal to protrude from the chain Adjoining members, in the state that the bicycle chain puller is installed to the cycle frame of bicycle, the chain adjoining members It is located between the chain guide and the chain wheel assembly of the bicycle.
20. bicycle chain puller according to claim 19, wherein
The chain adjoining members are configured to be installed to the cycle frame of the bicycle in the bicycle chain puller And extend in the state that the bicycle travels on the ground along the direction towards ground.
CN201810954022.XA 2017-08-22 2018-08-21 Bicycle chain puller Active CN109421890B (en)

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